This time Aki & Non costumed like "Sal?r ??on" "Sal?r M??cu?y". Aki & Non who love each other, try to sneak into the enemies' hideout, but are caught, & cast in prison, the girls stay over night in there. Day after, the enemies put them "Erotic Choker". It kindles sex desire, Aki & Non become crazy sex machines!!! Pretty girls' beautiful & emotional kiss, coming together by vibration plays each other, etc are so wonderful!!!